Stuart has been with Microsoft since 1998 and is the Chief Security Advisor for Microsoft in the UK. Before his role as CSA he has worked as strategy consultant to a variety of UK Government customers, mostly within the defence arena and run a number of Government Programs with the UK including the Government Security Program, the Security Co-Operation Program and the Welsh Language Program. He still continues to run the UK GSP and SCP programs today.

Before joining Microsoft, Stuart worked as a consultant for ICL in their Power of 4 Consultancy, mostly focused in the defence and government spaces, prior to ICL he worked for Barclays Bank in a number of application development and IT infrastructure roles. He has been actively involved in computer security related activities since the early 1980’s.